Q: A can do a piece of work in 15 days and B can do it in 16 days and C can do it 24 days. They started the work together and A leaves after 3 days and B leaves after 4 days from the beginning. How long will work lost ?

• 1
  10 2/3 days
• 2
  13 1/5 days
• 3
  12 2/3 days
• 4
  11 5/7 days